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1.5 The socket
The socket of the HPM constitutes a separate component in which the terminals are
contained and the wires connected. The socket is divided by a separator into 2 parts.
The left-hand side contains low voltage connections, such as for sensors and 0...10 V
terminals, and the right-hand side contains high voltage connections (230 V) for
actuators and pumps.
Fig. 1.7: The socket
Each section of the socket contains ground multipliers, which are situated
immediately next to the terminals. Low voltage and high voltage use separate grounds
to prevent electromagnetic influence.
To fasten the socket to the controller, simply slide the controller onto the socket and
push the two clips on each side of the socket. A screwdriver is required in order to
open the clips again.
Fig. 1.8: Cable knockouts and clip to fasten the socket
The cable inlets must be pressed out where needed. The holes are prepared for
standard M-cable glands.
Cable inlets
Clip to fasten socket